RTC

Collaboration diagram for RTC:

Functions
__STATIC_INLINE void	LL_RCC_SetRTCClockSource (uint32_t Source)
	Set RTC Clock Source. More...
__STATIC_INLINE uint32_t	LL_RCC_GetRTCClockSource (void)
	Get RTC Clock Source @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource. More...
__STATIC_INLINE void	LL_RCC_EnableRTC (void)
	Enable RTC @rmtoll BDCR RTCEN LL_RCC_EnableRTC. More...
__STATIC_INLINE void	LL_RCC_DisableRTC (void)
	Disable RTC @rmtoll BDCR RTCEN LL_RCC_DisableRTC. More...
__STATIC_INLINE uint32_t	LL_RCC_IsEnabledRTC (void)
	Check if RTC has been enabled or not @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC. More...
__STATIC_INLINE void	LL_RCC_ForceBackupDomainReset (void)
	Force the Backup domain reset @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset. More...
__STATIC_INLINE void	LL_RCC_ReleaseBackupDomainReset (void)
	Release the Backup domain reset @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset. More...
__STATIC_INLINE void	LL_RCC_SetRTC_HSEPrescaler (uint32_t Prescaler)
	Set HSE Prescalers for RTC Clock @rmtoll CFGR RTCPRE LL_RCC_SetRTC_HSEPrescaler. More...
__STATIC_INLINE uint32_t	LL_RCC_GetRTC_HSEPrescaler (void)
	Get HSE Prescalers for RTC Clock @rmtoll CFGR RTCPRE LL_RCC_GetRTC_HSEPrescaler. More...

Detailed Description

Function Documentation

LL_RCC_DisableRTC()

__STATIC_INLINE void LL_RCC_DisableRTC

(

void

)

Disable RTC @rmtoll BDCR RTCEN LL_RCC_DisableRTC.

Return values

None

Definition at line 4019 of file stm32f4xx_ll_rcc.h.

LL_RCC_EnableRTC()

__STATIC_INLINE void LL_RCC_EnableRTC

(

void

)

Enable RTC @rmtoll BDCR RTCEN LL_RCC_EnableRTC.

Return values

None

Definition at line 4009 of file stm32f4xx_ll_rcc.h.

LL_RCC_ForceBackupDomainReset()

__STATIC_INLINE void LL_RCC_ForceBackupDomainReset

(

void

)

Force the Backup domain reset @rmtoll BDCR BDRST LL_RCC_ForceBackupDomainReset.

Return values

None

Definition at line 4039 of file stm32f4xx_ll_rcc.h.

LL_RCC_GetRTC_HSEPrescaler()

__STATIC_INLINE uint32_t LL_RCC_GetRTC_HSEPrescaler

(

void

)

Get HSE Prescalers for RTC Clock @rmtoll CFGR RTCPRE LL_RCC_GetRTC_HSEPrescaler.

Return values

Returned

value can be one of the following values: LL_RCC_RTC_NOCLOCK LL_RCC_RTC_HSE_DIV_2 LL_RCC_RTC_HSE_DIV_3 LL_RCC_RTC_HSE_DIV_4 LL_RCC_RTC_HSE_DIV_5 LL_RCC_RTC_HSE_DIV_6 LL_RCC_RTC_HSE_DIV_7 LL_RCC_RTC_HSE_DIV_8 LL_RCC_RTC_HSE_DIV_9 LL_RCC_RTC_HSE_DIV_10 LL_RCC_RTC_HSE_DIV_11 LL_RCC_RTC_HSE_DIV_12 LL_RCC_RTC_HSE_DIV_13 LL_RCC_RTC_HSE_DIV_14 LL_RCC_RTC_HSE_DIV_15 LL_RCC_RTC_HSE_DIV_16 LL_RCC_RTC_HSE_DIV_17 LL_RCC_RTC_HSE_DIV_18 LL_RCC_RTC_HSE_DIV_19 LL_RCC_RTC_HSE_DIV_20 LL_RCC_RTC_HSE_DIV_21 LL_RCC_RTC_HSE_DIV_22 LL_RCC_RTC_HSE_DIV_23 LL_RCC_RTC_HSE_DIV_24 LL_RCC_RTC_HSE_DIV_25 LL_RCC_RTC_HSE_DIV_26 LL_RCC_RTC_HSE_DIV_27 LL_RCC_RTC_HSE_DIV_28 LL_RCC_RTC_HSE_DIV_29 LL_RCC_RTC_HSE_DIV_30 LL_RCC_RTC_HSE_DIV_31

Definition at line 4132 of file stm32f4xx_ll_rcc.h.

LL_RCC_GetRTCClockSource()

__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource

(

void

)

Get RTC Clock Source @rmtoll BDCR RTCSEL LL_RCC_GetRTCClockSource.

Return values

Returned

value can be one of the following values: LL_RCC_RTC_CLKSOURCE_NONE LL_RCC_RTC_CLKSOURCE_LSE LL_RCC_RTC_CLKSOURCE_LSI LL_RCC_RTC_CLKSOURCE_HSE

Definition at line 3999 of file stm32f4xx_ll_rcc.h.

LL_RCC_IsEnabledRTC()

__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC

(

void

)

Check if RTC has been enabled or not @rmtoll BDCR RTCEN LL_RCC_IsEnabledRTC.

Return values

State

of bit (1 or 0).

Definition at line 4029 of file stm32f4xx_ll_rcc.h.

LL_RCC_ReleaseBackupDomainReset()

__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset

(

void

)

Release the Backup domain reset @rmtoll BDCR BDRST LL_RCC_ReleaseBackupDomainReset.

Return values

None

Definition at line 4049 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetRTC_HSEPrescaler()

__STATIC_INLINE void LL_RCC_SetRTC_HSEPrescaler

(

uint32_t

Prescaler

)

Set HSE Prescalers for RTC Clock @rmtoll CFGR RTCPRE LL_RCC_SetRTC_HSEPrescaler.

Parameters

Prescaler

This parameter can be one of the following values: LL_RCC_RTC_NOCLOCK LL_RCC_RTC_HSE_DIV_2 LL_RCC_RTC_HSE_DIV_3 LL_RCC_RTC_HSE_DIV_4 LL_RCC_RTC_HSE_DIV_5 LL_RCC_RTC_HSE_DIV_6 LL_RCC_RTC_HSE_DIV_7 LL_RCC_RTC_HSE_DIV_8 LL_RCC_RTC_HSE_DIV_9 LL_RCC_RTC_HSE_DIV_10 LL_RCC_RTC_HSE_DIV_11 LL_RCC_RTC_HSE_DIV_12 LL_RCC_RTC_HSE_DIV_13 LL_RCC_RTC_HSE_DIV_14 LL_RCC_RTC_HSE_DIV_15 LL_RCC_RTC_HSE_DIV_16 LL_RCC_RTC_HSE_DIV_17 LL_RCC_RTC_HSE_DIV_18 LL_RCC_RTC_HSE_DIV_19 LL_RCC_RTC_HSE_DIV_20 LL_RCC_RTC_HSE_DIV_21 LL_RCC_RTC_HSE_DIV_22 LL_RCC_RTC_HSE_DIV_23 LL_RCC_RTC_HSE_DIV_24 LL_RCC_RTC_HSE_DIV_25 LL_RCC_RTC_HSE_DIV_26 LL_RCC_RTC_HSE_DIV_27 LL_RCC_RTC_HSE_DIV_28 LL_RCC_RTC_HSE_DIV_29 LL_RCC_RTC_HSE_DIV_30 LL_RCC_RTC_HSE_DIV_31

Return values

None

Definition at line 4091 of file stm32f4xx_ll_rcc.h.

LL_RCC_SetRTCClockSource()

__STATIC_INLINE void LL_RCC_SetRTCClockSource

(

uint32_t

Source

)

Set RTC Clock Source.

Note

Once the RTC clock source has been selected, it cannot be changed anymore unless the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is set). The BDRST bit can be used to reset them. @rmtoll BDCR RTCSEL LL_RCC_SetRTCClockSource

Parameters

Source

This parameter can be one of the following values: LL_RCC_RTC_CLKSOURCE_NONE LL_RCC_RTC_CLKSOURCE_LSE LL_RCC_RTC_CLKSOURCE_LSI LL_RCC_RTC_CLKSOURCE_HSE

Return values

None

Definition at line 3985 of file stm32f4xx_ll_rcc.h.